Android Studio Dart And Flutter Plugin is not installed

Question

Here is the flutter doctor result:

[√] Flutter (Channel stable, 1.22.1, on Microsoft Windows [Version 10.0.18362.30], locale en-US)
[√] Android t         


        

Answer 1

change channel master to dev. then upgrade.

flutter channel dev
flutter channel upgrade

try again

flutter doctor

Note: I think it's Android Studio 4.1 issue...